package com.principalservice.advicer;

import annotation.DisableBaseResponse;
import generator.support.ResponseResult;
import org.springframework.core.MethodParameter;
import org.springframework.http.MediaType;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.server.ServerHttpRequest;
import org.springframework.http.server.ServerHttpResponse;
import org.springframework.web.bind.annotation.RestControllerAdvice;
import org.springframework.web.servlet.mvc.method.annotation.ResponseBodyAdvice;

@RestControllerAdvice(basePackages = "com.principalservice.controller")
public class GlobalResponseAdvicer implements ResponseBodyAdvice<Object> {

    /**
     * 判断是否需要加工
     */
    @Override
    public boolean supports(MethodParameter methodParameter, Class<? extends HttpMessageConverter<?>> aClass) {
        return !methodParameter.hasMethodAnnotation(DisableBaseResponse.class);
    }

    @Override
    public Object beforeBodyWrite(Object o, MethodParameter methodParameter, MediaType mediaType, Class<? extends HttpMessageConverter<?>> aClass, ServerHttpRequest serverHttpRequest, ServerHttpResponse serverHttpResponse) {
        if (o == null){
            // 不带有参数
            return new ResponseResult<>();
        }
        return new ResponseResult<>(o);
    }
}
